Joule Cooking System

Item # JLE

A favorite of cold weather adventurers everywhere, the Joule delivers unparalleled performance for your high alpine expeditions and backcountry ski trips. An inverted canister design offers liquid fuel feed while Jetboil's proprietary regulator technology offers incremental heat adjustments from light simmer to full boil, perfect for sautéing, simmering, and everything between. The 2.5-liter FluxRing cooking cup with insulating cozy allows you to boil large amounts of water or melting snow, making it a popular choice for guides and groups. Get precision control at temperatures as low as 10 degrees F (-12 degrees C) with the advanced regulator valve. Start heating instantly with the convenient, reliable pushbutton igniter—compatible with 100-gram and 230-gram Jetpower fuel canisters. Inverted canister design with liquid fuel feed; weighs 28 ounces.

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Sorry this product is no longer being sold.
WARNING: Important information for California residents.
WARNING: This product can expose you to chemicals including 1,3-Butadiene, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

A favorite of cold weather adventurers everywhere, the Joule delivers unparalleled performance for your high alpine expeditions and backcountry ski trips. An inverted canister design offers liquid fuel feed while Jetboil's proprietary regulator technology offers incremental heat adjustments from light simmer to full boil, perfect for sautéing, simmering, and everything between. The 2.5-liter FluxRing cooking cup with insulating cozy allows you to boil large amounts of water or melting snow, making it a popular choice for guides and groups. Get precision control at temperatures as low as 10 degrees F (-12 degrees C) with the advanced regulator valve. Start heating instantly with the convenient, reliable pushbutton igniter—compatible with 100-gram and 230-gram Jetpower fuel canisters. Inverted canister design with liquid fuel feed; weighs 28 ounces.

  • Inverted canister design offers liquid fuel feed while Jetboil's regulator technology allows heat adjustments to range from a light simmer to full boil, and is perfect for sautéing, simmering, and everything between
  • 2.5-liter FluxRing cooking cup with insulating cozy allows you to boil large amounts of water or melt snow, making it a popular choice for guides and groups
  • Precision control at temperatures as low as 10 degrees F (-12 degrees C) with the advanced regulator valve
  • Convenient and reliable pushbutton igniter allows for consistent performance down to 20 degrees F (-6 degrees C)
  • Inverted canister design with liquid fuel feed; weighs 28 ounces
  • Compatible with both 100 g and 230 g Jetpower Fuel Canisters
  • One-year limited warranty
Joule Cooking System
Color Black
Weight 1 lb 12 oz | 790 g
* System weight excludes fuel stabilizer
Power 10000 BTU/h / 3 kW
Volume 2.5 Liter
Cooking Type Precision Cook
Fuel Regulator Yes
Group Size 3-5 People
Boil Time 2m 40sec per 1 liter (avg. over life of Jetpower can)
Water Boiled 24 liters per 230 g Jetpower can
Ignition Type Push Button
Product Type System

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